Seiko Cal. 3811 - 970

This Automatic model from 1991 features a 38mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-a78217691b6a]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1991

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